Durgapur vs Salem
Side-by-side air quality comparison between Durgapur and Salem.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Durgapur averaged an AQI of 174 while Salem averaged 68 — a 106-point (156%) gap, with Durgapur the more polluted and Salem the cleaner of the two. On 90 days when both cities reported, Salem was cleaner on 83 of them; the average daily gap was 111 AQI points.
Seasonality & days
Durgapur peaks in December, while Salem peaks in April. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Salem was 0% Severe and 87.1% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Salem 17 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Salem hit AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Salem spans 1 stations with a 0-point spread (min 73, max 73).